InChI=1/C14H17N3O2/c1-17-8-7-15-13(17)10-16-14(18)9-11-5-3-4-6-12(11)19-2/h3-8H,9-10H2,1-2H3,(H,16,18)/p+1/fC14H18N3O2/h15-16H/q+1 21D4F94F22AC6E2E